Alpha JIT (beta)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22500 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaJITInfo.h b/lib/Target/Alpha/AlphaJITInfo.h
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+//===- AlphaJITInfo.h - Alpha impl. of the JIT interface ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the Alpha implementation of the TargetJITInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ALPHA_JITINFO_H
+#define ALPHA_JITINFO_H
+
+#include "llvm/Target/TargetJITInfo.h"
+#include "llvm/GlobalValue.h"
+#include <string>
+#include <map>
+
+namespace llvm {
+ class TargetMachine;
+
+ class AlphaJITInfo : public TargetJITInfo {
+ protected:
+ TargetMachine &TM;
+ public:
+ AlphaJITInfo(TargetMachine &tm) : TM(tm)
+ { useGOT = true; }
+
+ /// addPassesToJITCompile - Add passes to the specified pass manager to
+ /// implement a fast dynamic compiler for this target. Return true if this
+ /// is not supported for this target.
+ ///
+ virtual void addPassesToJITCompile(FunctionPassManager &PM);
+
+ virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE);
+ virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
+ virtual void relocate(void *Function, MachineRelocation *MR,
+ unsigned NumRelocs, unsigned char* GOTBase);
+
+ /// replaceMachineCodeForFunction - Make it so that calling the function
+ /// whose machine code is at OLD turns into a call to NEW, perhaps by
+ /// overwriting OLD with a branch to NEW. This is used for self-modifying
+ /// code.
+ ///
+ virtual void replaceMachineCodeForFunction(void *Old, void *New);
+
+ private:
+ static const unsigned GOToffset = 4096;
+
+ };
+}
+
+#endif